如果用了insert /*+ append */ into table as select .. from table 這樣的操作來insert,必須在操作後commit,或是rollback,不然就不能再insert /*+ append */ into table as select .. from table 。ORACLE報出錯誤如下:ORA-12838: cannot read/modify an object after modifying it in
Oracle Database Reference10g Release 2 (10.2)http://docs.oracle.com/cd/B19306_01/server.102/b14237/statviews_4097.htmDBA_SEGMENTSDBA_SEGMENTS describes the storage allocated for all segments in the database.Related ViewUSER_SEGMENTS describes the
方法1:封鎖BT連接埠 大家都知道如果要限制某項服務,就要在路由器上設定ACL(存取控制清單)將該服務所用的連接埠封掉,從而阻止該服務的正常運行.對BT軟體, 我們可以嘗試封它的連接埠.一般情況下,BT軟體使用的是6880-6890連接埠,小金在公司的核心路由器上使用以下命令將6880-6890連接埠全部封鎖. access-list 101 deny tcp any any range 6880 6890 access-list 101 deny tcp any range 6880 6
微軟的設計使然,STA執行緒模式組件在COM+中,每個CPU支援最多10個執行個體。 首先,這一切定義描述在http://support.microsoft.com/default.aspx?scid=kb;EN-US;282490中,節選如下:Thread Pool in COM+In COM+, each server application maintains two separate thread pools. One thread pool services STA objects,
Creating cxGrid in Dll raises AV 解決方案: library TestDLL;eports TestDllFunc;var SaveDllProc: TDllProc;procedure LibExit(Reason: Integer);begin if Reason = DLL_PROCESS_DETACH then begin dxFinalizeGDIPlus; end; if assigned(SaveDllProc) then
author: lua date:2005-8-12Your best bet would be to vary the alpha component of the diffuse color of the material, ie, pass->setDiffuseColour This is then used as alpha value for the entire material. Make sure to use "scene_blend alpha_blend"